Overview
- Federal data show 1,958 measles cases in 2025 with 222 hospitalizations, three deaths and 49 documented outbreaks.
- Arizona reports 190 cases mostly in Mohave County, Utah has 125 with recent exposures in schools and clinics, and South Carolina counts 138 centered in Spartanburg County with 168 people in quarantine.
- Most cases involve people who are unvaccinated, and kindergarten MMR coverage has fallen to about 92.7%, below the 95% threshold needed to block spread.
- State and local agencies are driving public messaging and containment, while HHS says the CDC has provided updated materials despite a lower public-facing profile.
- Iowa confirmed a travel-linked measles case in an unvaccinated Polk County infant, with no public exposure locations identified.